I stumbled across this thread today:
https://grassrootsmotorsports.com/forum/grm/im-thinking-it-needs-a-tune-up/64359/page1/
Things that make you go hmmm.
https://grassrootsmotorsports.com/forum/grm/im-thinking-it-needs-a-tune-up/64359/page1/
Things that make you go hmmm.